Genesis 6:5, 11-13

The LORD observed the extent of human wickedness on the earth, and he saw that everything they thought or imagined was consistently and totally evil.

Now God saw that the earth had become corrupt and was filled with violence. God observed all this corruption in the world, for everyone on earth was corrupt. So God said to Noah, “I have decided to destroy all living creatures, for they have filled the earth with violence. Yes, I will wipe them all out along with the earth!